Optimized design of universal two-qubit gates

Details Optimized design of universal two-qubit gates Optimized design of universal two-qubit gates

2004-12-10

arxiv.org/abs/quant-ph/0412084v1

Physics

Quantum Physics

6 pages, 2 figures

Scientific paper

We construct optimized implementations of the CNOT and other universal two-qubit gates that, unlike many of the previously proposed protocols, are carried out in a single step. The new protocols require tunable inter-qubit couplings but, in return, show a significant improvements in the quality of gate operations. Our optimization procedure can be further extended to the combinations of elementary two-qubit as well as irreducible many-qubit gates.

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